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PSEH2 uses a special mechanism to deal with nested try blocks inside the same function. Instead of pushing a second exception registration record on the exception list, it uses an internal pointer to handle the different try-levels. But when a function using SEH is inlined, the resulting code will push 2 registration frames on the stack. Now it happens with GCC 4.7.1 that these frames get shuffled on the stack, putting one for the inner try on a higher stack address. This is something that RtlUnwind regards as a bug and throws a STATUS_INVALID_UNWIND_TARGET exception. This was the reason for the crashing PSEH2_TEST, when compiled with GCC 4.7.1. To fix this, I added a mechanism that will prevent functions using SEH from being inlined. svn path=/trunk/; revision=57159 |
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